Great Northern Diesel Locomotive 2513 at Denver, Colorado, 1970

• US MnSpGNR D0036-003-014-001-002-img109
• Item
• May 3, 1970

Part of George Werkema Collection

Great Northern Diesel Locomotive 2527 at Denver, Colorado, 1970

• US WaBuPNRA D0063-003-014-001-002-WWAGD-52-458
• Item
• April 4, 1970

Part of Walter W. Ainsworth Collection

Great Northern Diesel Locomotive 3010 at Denver, Colorado, 1970

• US MnSpGNR D0036-003-014-001-002-img117
• Item
• May 1970

Part of George Werkema Collection

Great Northern Diesel Locomotive 3034 at Denver, Colorado, 3/17/1970

• US MnSpGNR D0036-003-014-001-002-img121
• Item
• March 17, 1970

Part of George Werkema Collection

Great Northern Diesel Locomotive 3034 at Denver, Colorado, 1970

• US MnSpGNR D0036-003-014-001-002-img123
• Item
• March 17, 1970

Part of George Werkema Collection

Great Northern Diesel Locomotive 3034 at Denver, Colorado, 1970

• US MnSpGNR D0036-003-014-001-002-img122
• Item
• March 17, 1970

Part of George Werkema Collection

Great Northern Diesel Locomotive 400 at Denver, Colorado, 1972

• US MnSpGNR D0036-003-014-001-002-img53
• Item
• May 24, 1972

Part of George Werkema Collection

Great Northern Diesel Locomotive 401 at Denver, Colorado, 1971

• US MnSpGNR D0036-003-014-001-002-img54
• Item
• October 1971

Part of George Werkema Collection

Great Northern Diesel Locomotive 414A/D at Denver, Colorado, 1959

• US MnSpGNR D0036-003-014-001-002-img57
• Item
• September 1959

Part of George Werkema Collection

Great Northern Diesel Locomotive 429 at Denver, Colorado, undated

• US WaBuPNRA D0063-003-014-001-002-WWAGD-52-298
• Item
• undated

Part of Walter W. Ainsworth Collection